def test_evaluate(self, val): """ Ensures the evaluate class tests response for a False. """ nde = Equation('({1})') rtn_val = [True, True, True] nde.get_clause_evaluation = MagicMock(return_value=rtn_val) self.assertTrue(nde.evaluate({})) rtn_val = [True, False, True] nde.get_clause_evaluation = MagicMock(return_value=rtn_val) self.assertFalse(nde.evaluate({}))
def test_clausal_evaluation(self): """ Tests the evaluation of a selection of clauses. """ eq = Equation('({1})') # Equation object to test. fke_clause_true = Mock() # Fake clause to return true fke_clause_true.evaluate = MagicMock(return_value=True) fke_clause_false = Mock() # Fake clause to return false fke_clause_false.evaluate = MagicMock(return_value=False) eq._clauses = [fke_clause_true, fke_clause_false, fke_clause_true] res = eq.get_clause_evaluation({}) assert (res[0] and (not res[1]) and res[2]) eq._clauses = [fke_clause_true, fke_clause_true, fke_clause_true] res = eq.get_clause_evaluation({}) assert (res[0] and res[1] and res[2]) eq._clauses = [fke_clause_false, fke_clause_false, fke_clause_false] res = eq.get_clause_evaluation({}) assert not (res[0] or res[1] or res[2])